Yangtze olefin plant completed four sets of circulating water cooling tower fan overhaul

In order to ensure the safe operation of chemical installations during the high temperature period in summer, Yangzi Olefins Factory used the favorable conditions of lower temperature in winter to carry out overhaul of 29 cooling tower fans of the four sets of circulating water devices of the plant one by one. From November last year, as of mid-March, the plant successfully completed the complete overhaul of 29 wind turbines.

Winter is the best time for the maintenance of the circulating water device, especially the best stage to eliminate the hidden troubles of the cooling tower fan and restore the function of the fan. Every winter, the olefin plant must inspect and repair the cooling tower fan to ensure the summer high temperature cycle water device. The stable operation. The main contents of the overhaul of the wind turbine are the inspection of the deceleration of the gearbox, the inspection of the alignment of the transmission shaft, the inspection of the corrosion of the Wheel Hub, the inspection of the foundation and the fastening of the anchor bolts, and the inspection of the use conditions of the wind turbine and the reinforcement. The olefin plant was strictly inspected for cracking of the hub blades, loosening of the wind turbines, bolt corrosion, and other conditions. The defective components were replaced at the same time, and all kinds of hidden dangers that threatened the stable operation of the fan were completely eliminated. At the same time as the maintenance of the turbine, the olefin plant realized synchronous inspection of the motor, and a total of 4 faulty motors were overhauled, which completely eliminated the adverse factors affecting the fan's operation due to motor failure. During the five-month annual overhaul of the turbine, the circulating water plant of the olefin plant strictly satisfies the quality of inspection and acceptance of each turbine, and ensured the high standard and high-quality overhaul of 29 sets of four circulating water devices. In the maintenance of the turbine, the olefin plant also pays attention to the application of new technologies and new materials. The plant will replace the drive shaft of No. 8 fan with a new carbon fiber shaft, effectively reducing the vibration of the fan; replacing the No. 5 fan with an energy-saving hub to achieve energy saving and optimized performance.

After the turbine was overhauled, the olefin plant strengthened the operation and management of the wind turbine. The shift supervisor was responsible for the inspection of the turbine on the tower. The transport personnel were responsible for the daily inspection of the turbine and measured the vibration of the fan on a daily basis and recorded the relevant data to ensure the fan's performance. safe operation.

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